<template>
    <div :class="className" :style="{ height: height, width: width }" />
</template>

<script>
import echarts from 'echarts';
require('echarts-wordcloud');
require('echarts/theme/macarons'); // echarts theme
import { debounce } from '@/utils';
export default {
    props: {
        className: {
            type: String,
            default: 'chart',
        },
        width: {
            type: String,
            default: '100%',
        },
        height: {
            type: String,
            default: '300px',
        },
    },
    data() {
        return {
            chart: null,
        };
    },
    mounted() {
        this.initChart();
        this.__resizeHandler = debounce(() => {
            if (this.chart) {
                this.chart.resize();
            }
        }, 100);
        window.addEventListener('resize', this.__resizeHandler);
    },
    beforeDestroy() {
        if (!this.chart) {
            return;
        }
        window.removeEventListener('resize', this.__resizeHandler);
        this.chart.dispose();
        this.chart = null;
    },
    methods: {
        initChart() {
            this.chart = echarts.init(this.$el, 'macarons');
            const data = [
                {
                    name: '花鸟市场',
                    value: 1446,
                },
                {
                    name: '汽车',
                    value: 928,
                },
                {
                    name: '视频',
                    value: 906,
                },
                {
                    name: '电视',
                    value: 825,
                },
                {
                    name: 'Lover Boy',
                    value: 514,
                },
                {
                    name: '动漫',
                    value: 486,
                },
                {
                    name: '音乐',
                    value: 53,
                },
                {
                    name: '直播',
                    value: 163,
                },
                {
                    name: '广播电台',
                    value: 86,
                },
                {
                    name: '戏曲曲艺',
                    value: 17,
                },
                {
                    name: '演出票务',
                    value: 6,
                },
                {
                    name: '给陌生的你听',
                    value: 1,
                },
                {
                    name: '资讯',
                    value: 1437,
                },
                {
                    name: '商业财经',
                    value: 422,
                },
                {
                    name: '娱乐八卦',
                    value: 353,
                },
                {
                    name: '军事',
                    value: 331,
                },
                {
                    name: '科技资讯',
                    value: 313,
                },
                {
                    name: '社会时政',
                    value: 307,
                },
                {
                    name: '时尚',
                    value: 43,
                },
                {
                    name: '网络奇闻',
                    value: 15,
                },
                {
                    name: '旅游出行',
                    value: 438,
                },
                {
                    name: '景点类型',
                    value: 957,
                },
                {
                    name: '国内游',
                    value: 927,
                },
                {
                    name: '远途出行方式',
                    value: 908,
                },
                {
                    name: '酒店',
                    value: 693,
                },
                {
                    name: '关注景点',
                    value: 611,
                },
                {
                    name: '旅游网站偏好',
                    value: 512,
                },
                {
                    name: '出国游',
                    value: 382,
                },
            ];
            this.chart.setOption({
                backgroundColor: '#fff',
                tooltip: {
                    show: false,
                },
                series: [
                    {
                        type: 'wordCloud',
                        gridSize: 1,
                        sizeRange: [12, 55],
                        rotationRange: [-45, 0, 45, 90],
                        textStyle: {
                            normal: {
                                color: function () {
                                    return (
                                        'rgb(' +
                                        Math.round(Math.random() * 255) +
                                        ', ' +
                                        Math.round(Math.random() * 255) +
                                        ', ' +
                                        Math.round(Math.random() * 255) +
                                        ')'
                                    );
                                },
                            },
                        },
                        left: 'center',
                        top: 'center',
                        right: null,
                        bottom: null,
                        data: data,
                    },
                ],
            });
        },
    },
};
</script>
